Triangle Mine

The Triangle Mine is a gold mine located in Esmeralda county, Nevada at an elevation of 5,600 feet.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.

Site Name

Primary: Triangle Mine

Commodity

Primary: Gold

Location

State: Nevada
County: Esmeralda
District: Goldfield District; (Diamond Field Subdistrict)

Land Status

Land ownership: BLM Administrative Area
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.

Holdings

Not available

Workings

Type: Underground

Ownership

Owner Name: Diamondfield-Triangle Mining Co.(To ; Reorganized Diamondfieldtriangle Mining Co
Years: 1917 - 1917

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1905
Discovery Year: 1905
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

Not available

Mineral Deposit Model

Not available

Orebody

Form: TABULAR

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: Silicification

Rocks

Name: Andesite
Role: Associated
Age Type: Associated Rock Unit
Age in Years: 21.500000+-
Dating Method: K-Ar
Age Young: Miocene

Name: Andesite
Role: Host
Age Type: Associated Rock Unit
Age in Years: 21.500000+-
Dating Method: K-Ar
Age Young: Miocene

Analytical Data

Not available

Materials

Gangue: Quartz
Gangue: Pyrite

Comments

Comment (Workings): 100-FT DEEP SHAFT WITH 3 LEVELS.

Comment (Production): A LITTLE OXIDIZED ORE SHIPPED FROM 40-FT AND 70-FT LEVELS UP TO 1905

Comment (Development): A LITTLE OXIDIZED ORE WAS SHIPPED FROM 40-FT AND 70-FT LEVELS UP TO 1905. LOW-GRADE ($30/TON) MATERIAL EXPOSED IN 1905 ON 100-FT LEVEL. IDLE 1917-1922

Comment (Deposit): WELL-DEFINED "LEDGE" OF SILICIFIED ANDESITE (PROBABLY SAME VEIN AS THE GOLD COIN MINE)

Comment (Location): IMMEDIATELY NW OF THE GOLD COIN MINE. UTM IS TO ONE SHAFT LOCATED ON THE BLOCK OF 7 CLAIMS. ; INFO FROM LAND.ST :1972

References

Reference (Deposit): RANSOME, F.L., 1909, USGS P.P. 66, P. 251.

Reference (Deposit): WEED, W.H., ED., 1922, THE MINES HANDBOOK, VOL. XV., P. 1313.

Reference (Production): RANSOME, F.L., 1909, P. 251.

Nevada Gold

Nevada has a total of 368 distinct gold districts. Of the of those, just 36 are major producers with production and/or reserves of over 1,000,000 ounces, 49 have production and/or reserves of over 100,000 ounces, with the rest having less than 100,000 ounces. Read more: Gold Districts of Nevada.